File:Patent-GB-302015.pdf

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Original file(1,295 × 1,752 pixels, file size: 572 KB, MIME type: application/pdf, 6 pages)
Inventor

Paul Kohler, Christian Schaefer

Assignee

Kohler & Schaefer in Pforzheim

Country

GB

Application N°

28773/27

Application Date

1927-10-28

Patent N°

302015

Brevettato

1928-12-13

Priorità

1926-10-28

Brand

Kosca

Title

Wechselschreibstift

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica multipla. Si è identificata l'azienda come Kosca, dato che la ragione sociale è la stessa, non è chiara la relazione con la ditta milanese. Priorità dal brevetto tedesco (un giorno prima). Stessa invenzione di nº DE-467712. Stessa invenzione di nº CH-130454.

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current02:11, 22 September 2013Thumbnail for version as of 02:11, 22 September 20131,295 × 1,752, 6 pages (572 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Paul Kohler, Christian Schaefer |Assignee=Kohler & Schaefer in Pforzheim |Country=GB |ApplicationNum=28773/27 |ApplicationDate=1927-10-28 |PatentNum=302015 |PatentDate=1928-12-13 |PriorityDate=1926-10-28 |Titolo=Wechselschreibsti...
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Metadata

Facts about "Patent-GB-302015.pdf"
Application dateOctober 28, 1927 +
Application number28773/27 +
Assigned toKohler & Schaefer in Pforzheim +
Invented byPaul Kohler + and Christian Schaefer +
Patent dateDecember 13, 1928 +
Patent descriptionMatita meccanica +
Patent number302015 +
Patent titleWechselschreibstift +
Patented byProduttori minori italiani +
Patented inGB +
Priority dateOctober 28, 1926 +
Same invention ofFile:Patent-DE-467712.pdf + and File:Patent-CH-130454.pdf +